Transducers protect customer's investment.The AR Series of rheometers from TA Instrumentsutilises a cable extension position transducer fromVariohm-EuroSensor to prevent damage to anyaccessories fitted to the rheometer when in use.This damage could occur if the vertical travel of the motor wasn'tmonitored. The Z115 unit supplied by Variohm-Eurosensorcontinually tracks the absolute head position.TA Instrument's units are used to study the flow and deformationof materials. The material samples are subjected to varyingforces, temperature and pressures. These varying conditionsare applied by means of special heads fitted to the rheometer.The heads vary in size and this is why TA Instruments neededto have a means of knowing where the heads are. The Z115uses a precision potentiometer operated by a cable and drumto continuously monitor the head position. Because the Z115is an absolute device it will give an accurate position even ifthe power supply is interrupted.TA Instruments claim that their AR-G2 is the first commercialrheometer utilising a magnetic thrust bearing technology, afeature which allows for ultra-low nano-torque control. TheAR-G2 is packed with other features such as drag cup motortechnology, image capture software and a high temperatureoven camera. AT Instrument's spokesman Peter Foster said that the Z115from Variohm-Eurosensor provides an inexpensive, compactand simple solution to their measurement problem and it protectstheir customer's investment.